155950620 has 48 divisors (see below), whose sum is σ = 499043328. Its totient is φ = 35645760.

The previous prime is 155950601. The next prime is 155950621. The reversal of 155950620 is 26059551.

155950620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155950621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185236 + ... + 186075.

It is an arithmetic number, because the mean of its divisors is an integer number (10396736).

Almost surely, 2^155950620 is an apocalyptic number.

155950620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155950620 is an abundant number, since it is smaller than the sum of its proper divisors (343092708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155950620 is a wasteful number, since it uses less digits than its factorization.

155950620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371330 (or 371328 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 155950620 is about 12488.0190582814. The cubic root of 155950620 is about 538.2644554200.

The spelling of 155950620 in words is "one hundred fifty-five million, nine hundred fifty thousand, six hundred twenty".